The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 08, 2006
Filed:
Jun. 05, 2003
Yasushi Yagi, Ashiya, JP;
Masahiko Yachida, Amagasaki, JP;
Hajime Nagahara, Minoo, JP;
Osaka University, Suita, JP;
Abstract
Provided is a wide field of view head mounted display device capable of presenting 120 degree field of view per one eye and 180 or more by both eyes horizontally while keeping resolution at least to the same extent of the conventional art. The wide field of view head mounted display device includes: a LCDfor displaying an image; a lensfor projecting an image displayed on the LCD; and a catoptric system with a concave mirrorand a convex mirror. The LCDand the lens, the concave mirrorand convex mirrorare positioned in a relative relationship to observe by an observing pupilat a predetermined position a virtual image of a beam of reflected light as an incident light on the concave mirrorwhen the light of displayed image on the LCDis projected to the convex mirrorthrough the lensand a reflected light of the projected light at the convex mirrorarrives as the incident light at the concave mirror